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Linux/Documentation/ABI/stable/sysfs-bus-nvmem

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Diff markup

Differences between /Documentation/ABI/stable/sysfs-bus-nvmem (Version linux-6.12-rc7) and /Documentation/ABI/stable/sysfs-bus-nvmem (Version linux-5.5.19)

  1 What:           /sys/bus/nvmem/devices/.../for << 
  2 Date:           June 2024                      << 
  3 KernelVersion:  6.11                           << 
  4 Contact:        Marek Vasut <marex@denx.de>     << 
  5 Description:                                   << 
  6                 This read/write attribute allo << 
  7                 devices as read-only and back  << 
  8                 This can be used to unlock and << 
  9                 devices which are generally lo << 
 10                 programming operation.         << 
 11                 Read returns '0' or '1' for re << 
 12                 respectively.                  << 
 13                 Write parses one of 'YyTt1NnFf << 
 14                 and "off", i.e. what kstrtoboo << 
 15                 Note: This file is only presen << 
 16                 is enabled.                    << 
 17                                                << 
 18 What:           /sys/bus/nvmem/devices/.../nvm      1 What:           /sys/bus/nvmem/devices/.../nvmem
 19 Date:           July 2015                           2 Date:           July 2015
 20 KernelVersion:  4.2                            !!   3 KernelVersion:  4.2
 21 Contact:        Srinivas Kandagatla <srinivas.k      4 Contact:        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
 22 Description:                                        5 Description:
 23                 This file allows user to read/      6                 This file allows user to read/write the raw NVMEM contents.
 24                 Permissions for write to this       7                 Permissions for write to this file depends on the nvmem
 25                 provider configuration.             8                 provider configuration.
 26                 Note: This file is only presen      9                 Note: This file is only present if CONFIG_NVMEM_SYSFS
 27                 is enabled                         10                 is enabled
 28                                                    11 
 29                 ex::                           !!  12                 ex:
 30                                                !!  13                 hexdump /sys/bus/nvmem/devices/qfprom0/nvmem
 31                   hexdump /sys/bus/nvmem/devic << 
 32                                                    14 
 33                   0000000 0000 0000 0000 0000  !!  15                 0000000 0000 0000 0000 0000 0000 0000 0000 0000
 34                   *                            !!  16                 *
 35                   00000a0 db10 2240 0000 e000  !!  17                 00000a0 db10 2240 0000 e000 0c00 0c00 0000 0c00
 36                   0000000 0000 0000 0000 0000  !!  18                 0000000 0000 0000 0000 0000 0000 0000 0000 0000
 37                   ...                          !!  19                 ...
 38                   *                            !!  20                 *
 39                   0001000                      !!  21                 0001000
 40                                                << 
 41 What:           /sys/bus/nvmem/devices/.../typ << 
 42 Date:           November 2018                  << 
 43 KernelVersion:  5.0                            << 
 44 Contact:        Alexandre Belloni <alexandre.be << 
 45 Description:                                   << 
 46                 This read-only attribute allow << 
 47                 device type. Supported types a << 
 48                 "OTP", "Battery backed", "FRAM << 
 49                 Note: This file is only presen << 
 50                 is enabled.                    <<
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